The phrase "and asserting that" is correct and usable in written English.
It can be used when you want to indicate that someone is making a claim or statement about something.
Example: "The researcher presented her findings, and asserting that they were conclusive, she called for further studies."
Alternatives: "and claiming that" or "and stating that".
But every day he doesn't is a good day to advance the argument, and asserting that delay as the price of reopening the government doesn't mean you have to get it in order to be successful.
For instance participant B's discussion of the problem of healthcare moved on to reformulate it into a matter of "reducing the bill", blaming patients for public expenditure and asserting that is "vital that patients start understanding the economics of healthcare".
Similarly, allowing "refute" to mean "deny" obscures the distinction between proving and asserting that a claim is false.
For now, Bush campaign officials are playing down the Newsweek poll, and asserting that they had predicted it all along.
"O beautiful, for patriot's dream, that sees beyond the years," he said, discussing the fourth verse and asserting that this dream referred to political and especially economic freedom.
At one last month, protesters descended on Little Village Car Wash brandishing squeegees and asserting that workers were owed tens of thousands of dollars in back pay.
At this conference the attending bishops issued a document affirming the rights of the poor and asserting that industrialized nations enriched themselves at the expense of developing countries.
The analysts went on TV and radio, decrying Amnesty International, criticizing calls to close the facility and asserting that all detainees were treated humanely.
But Obama has recently strayed from orthodoxy by criticizing aspects of the American embargo on Cuba and asserting that he is prepared to open talks with the regime.
And, like Newman, Abbott seems to be banking on reminding voters of Labor's past failures, and asserting that Labor does not have a plan.
In interviews this week he was in his combative mode, challenging Pentagon officials to take lie-detector tests and asserting that commanders had praised him in the past.
