A Republican lawmaker reportedly shouted at President Donald Trump during a tense closed-door meeting on Capitol Hill.The 80-year-old president met with Senate Republicans for lunch Wednesday after abruptly canceling the signing ceremony for a bipartisan affordable housing bill. He said he was scrapping his plans in response to Congress’s refusal to pass the SAVE America Act, a Republican-backed measure that would require new voters to show proof of citizenship.During the meeting, Louisiana Senator Bill Cassidy challenged Trump over the Iran memorandum of understanding — Trump’s 14-point plan to end the Middle East war, according to MS NOW reporter Mychael Schnell. The president signed the document in France on June 17.One unnamed source told the outlet that the senator was “yelling” at the president.According to CNN’s Manu Raju, Trump instructed Cassidy to sit down, but the lawmaker refused and raised his voice, referring to Trump as “brother.” Senator Bill Cassidy, a Louisiana Republican, reportedly 'yelled' at President Donald Trump over the Iran war during a tense meeting on Capitol Hill (AFP via Getty Images)Trump responded that he was not his brother and called him a “lunatic.” Cassidy eventually took his seat.Shedding further light on the private meeting, Punchbowl News’ Andrew Desiderio reported that “Cassidy came in guns blazing.”This is a breaking story...